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Battery Management System (BMS) Service
104
The Battery Management System (BMS) allows the tool to evaluate the battery charge
state, monitor the close-circuit current, register the battery replacement, activate the rest
state of the vehicle, and charge the battery via the diagnostic socket.
NOTE
1. This function is not supported by all vehicles.
2. The sub functions and actual test screens of the BMS may vary by vehicle, please
follow the on-screen instructions to make correct option selection.
The vehicle may use either a sealed lead-acid battery or an AGM (Absorbed Glass Mat)
battery. Lead acid battery contains liquid sulphuric acid and can spill when overturned.
AGM battery (known as VRLA battery, valve regulated lead acid) also contains sulphuric
acid, but the acid is contained in glass mats between terminal plates.
It is recommended that the replacement aftermarket battery has the same specifications,
such as capacity and type, as the exiting battery. If the original battery is replaced with a
different type of battery (e.g. a lead-acid battery is replaced with an AGM battery) or a
battery with a different capacity (mAh), the vehicle may require reprogramming of the
new battery type, in addition to, performing the battery reset. Consult the vehicle manual
for additional vehicle-specific information.
Diesel Particle Filter (DPF) Service
The Diesel Particle Filter (DPF) function manages DPF regeneration, DPF component
replacement teach-in and DPF teach-in after replacing the engine control unit.
The ECM monitors driving style and selects a suitable time to employ regeneration. Cars
driven a lot at idling speed and low load will attempt to regenerate earlier than cars driven
more with higher load and speed. In order for regeneration to take place, a prolonged
high exhaust temperature must be obtained.
In the event of the car being driven in such a way that regeneration is not possible, i.e.,
frequent short journeys, a diagnostic trouble code will eventually be registered in addition
to the DPF light and "Check Engine" indicators displaying. A service regeneration can be
requested in the workshop using the diagnostic tool.
Before performing a forced DPF regeneration using the tool, check the following items:
The fuel light is not on.
No DPF-relevant faults are stored in system.
The vehicle has the specified engine oil.
The oil for diesel is not contaminated.
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